tests: validate that procfile-path is respected

Refs #5550

tests/apps/python/second.Procfile

@@ -1 +1 @@
-web: python3 web.py
+web: python3 web.py second.Procfile

tests/apps/python/web.py

@@ -22,6 +22,9 @@ if __name__ == "__main__":
         print("Failing on startup due to FAIL_ON_STARTUP=true")
         sys.exit(1)
 
+    for arg in sys.argv:
+        print(f"Arg: {arg}")
+
     port = int(os.getenv("PORT", 5000))
     server = http.server.HTTPServer(("0.0.0.0", port), GetHandler)
     print("Listening on port {0}".format(port))

tests/unit/ps-general-2.bats

@@ -95,6 +95,13 @@ teardown() {
   echo "status: $status"
   assert_success
 
+  run /bin/bash -c "dokku logs $TEST_APP"
+  echo "output: $output"
+  echo "status: $status"
+  assert_output_contains "Arg: web.py"
+  assert_output_contains "Arg: second.Procfile" 0
+  assert_success
+
   run /bin/bash -c "dokku ps:set $TEST_APP procfile-path nonexistent-procfile"
   echo "output: $output"
   echo "status: $status"
@@ -117,6 +124,13 @@ teardown() {
   assert_success
   assert_output_contains 'SECRET_KEY:' 0
 
+  run /bin/bash -c "dokku logs $TEST_APP"
+  echo "output: $output"
+  echo "status: $status"
+  assert_output_contains "Arg: web.py"
+  assert_output_contains "Arg: second.Procfile"
+  assert_success
+
   run /bin/bash -c "dokku ps:set $TEST_APP procfile-path"
   echo "output: $output"
   echo "status: $status"
@@ -127,6 +141,13 @@ teardown() {
   echo "status: $status"
   assert_success
   assert_output_contains 'SECRET_KEY:'
+
+  run /bin/bash -c "dokku logs $TEST_APP"
+  echo "output: $output"
+  echo "status: $status"
+  assert_output_contains "Arg: web.py"
+  assert_output_contains "Arg: second.Procfile" 0
+  assert_success
 }
 
 @test "(ps:scale) remove zerod processes" {